Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

The Food and Drug Administration (FDA) issued an emergency use authorization on Monday for a rapid at-home COVID-19 test that delivers results without the use of an outside laboratory. The QuickVue At ...

At-home rapid COVID-19 tests can reveal more about viral load than a simple positive/negative result, according to experts. "By definition, the basic technology suggests that you somehow have to go ...

“It started as a joke, actually,” Elena Korngold told me. But late last month, the 40-something radiologist from Portland, Oregon, and her family decided that their unsanctioned scheme couldn’t hurt.

With the revelation that President Trump and the First Lady have tested positive for coronavirus, many who may have been in contact with them are being tested using now widely-available rapid tests to ...

A rapid experimental genetic test can help guide the hands of surgeons as they delicately remove tumors from patients with brain cancer, new research suggests. The test can measure the level of cancer ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

The new test will be available at urgent care clinics and doctors offices A new novel coronavirustest may make diagnosing COVID-19 as easy as the flu. The new point-of-care test, having just received ...

A Facebook user claimed that Minute Maid Peach Punch tested positive for COVID-19 on a rapid test. The test appeared to display positive results, but that doesn’t mean the test detected the virus.

Experts say new rapid heart attack test could get patients treated faster and more safely - Researchers examined chest pain ...